Extract testing utilities from gdata_wapi_operations_unittest to test_util.

chrome/browser/google_apis/test_util.h

Index: chrome/browser/google_apis/test_util.h
diff --git a/chrome/browser/google_apis/test_util.h b/chrome/browser/google_apis/test_util.h
index e0ba436be585eaeff2899f164557535647d998a0..48890eb5c73398f7418698fa2aea4d68eb470604 100644
--- a/chrome/browser/google_apis/test_util.h
+++ b/chrome/browser/google_apis/test_util.h
@@ -26,6 +26,7 @@ class ResourceEntry;
 class ResourceList;
 
 namespace test_server {
+struct HttpRequest;
 class HttpResponse;
 }
 
@@ -40,6 +41,12 @@ namespace test_util {
 // repeatedly.
 void RunBlockingPoolTask();
 
+// Removes |prefix| from |input| and stores the result in |output|. Returns
+// true if the prefix is removed.
+bool RemovePrefix(const std::string& input,
+                  const std::string& prefix,
+                  std::string* output);
+
 // Returns the absolute path for a test file stored under
 // chrome/test/data/chromeos.
 FilePath GetTestFilePath(const std::string& relative_path);
@@ -117,6 +124,15 @@ scoped_ptr<test_server::HttpResponse> CreateHttpResponseFromFile(
 void DoNothingForReAuthenticateCallback(
     AuthenticatedOperationInterface* operation);
 
+// Handles a request for downloading a file. Reads a file from the test
+// directory and returns the content. Also, copies the |request| to the memory
+// pointed by |out_request|.
+// |base_url| must be set to the server's base url.
+scoped_ptr<test_server::HttpResponse> HandleDownloadRequest(
+    const GURL& base_url,
+    test_server::HttpRequest* out_request,
+    const test_server::HttpRequest& request);
+
 // Returns true if |json_data| is not NULL and equals to the content in
 // |expected_json_file_path|. The failure reason will be logged into LOG(ERROR)
 // if necessary.